John Isner returns to Marin Cilic, of Croatia, during the Miami Open tennis tournament, Tues., March 27, 2018, in Key Biscayne, Fla. Isner won 7-6 (0), 6-3.
John Isner returns to Marin Cilic, of Croatia, during the Miami Open tennis tournament, Tues., March 27, 2018, in Key Biscayne, Fla. Isner won 7-6 (0), 6-3. Lynne Sladky AP
John Isner returns to Marin Cilic, of Croatia, during the Miami Open tennis tournament, Tues., March 27, 2018, in Key Biscayne, Fla. Isner won 7-6 (0), 6-3. Lynne Sladky AP

Big-serving John Isner keeps positive attitude, reaches Miami Open quarterfinals

March 27, 2018 06:15 PM